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Kazeer [188]
3 years ago
5

18÷3(5_4+1) Answer? ​

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
8 0

Answer:

3

Step-by-step explanation:

18 ÷ 3 ( 5 - 4 + 1 )  

18 ÷ 3 ( 2 )  

18 ÷ 6

= 3

Roman55 [17]3 years ago
7 0

Answer:

36 if you meant a base of 4, or 24 if you meant a subtraction of 4 :))

Step-by-step explanation:

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Dr. Hoover, a pediatrician, has 3 annual checkups and 2 sick visits scheduled next Tuesday,
Jet001 [13]

Dr. Hoover allot his time on Tuesday for an annual checkup is 147 minutes and for a sick  visit is 42 minutes ​(Total 189 minutes)

On Wednesday appointment,  he allot his time for an annual checkup is 147 minutes and for a sick  visit is 21  minutes ​ (Total 168 minutes)

solution

Let us assume, minutes for annual checkup denoted as x and

minutes for sick visit denoted as y

The equation of Tuesday visit is       3x + 2y = 189 minutes ------ 1

The equation of Wednesday visit is    3x + 1y = 168 minutes ------ 2

by changing the signs of the equation 2  and  subtract it from the equation 1 we will get   1y = 21 minutes

to substitute y =1 in the equation 2 we get

3x + 2(21) = 189

3x + 42 = 189

3x = 189 - 42

3x = 147

x = 147 ÷ 3 = 49 minutes

then now we have substitute both x = 49 and y= 21 in equation ----- 2

we will prove that 3x + 2y = 189  = 3 (49) + 2(21) = 189 147+ 42 = 189 minutes

so the Tuesday appointment , the time allotted for an annual checkup is 147 minutes and for a sick  visit is 42 minutes ​(Total 189 minutes)

On Wednesday appointment,  the time allotted for an annual checkup is 147 minutes and for a sick  visit is 21  minutes ​ (Total 168 minutes)

         

6 0
3 years ago
Consider the following two quantities:
inessss [21]

The slope of the line is -2.5 and the y-intercept is 2. This shows that the Quantity B is greater that A

<h3>How to find the intercept of a line</h3>

The intercept is the point where the line intersects

Determine the slope of the graph using the coordinate points (0, 2) and (0.8, 0)
Slope = -2/0.8
Slope = -2.5

The slope of the line is -2.5 and the y-intercept is 2

This shows that the Quantity B is greater than A

Learn more on equation of a line here:brainly.com/question/13763238

6 0
2 years ago
At 8:00, the temperature was 15 degrees Celsius (°C). Three hours later, the temperature was -15°C. By how many degrees Celsius
stepladder [879]

Answer:

30 degrees

Step-by-step explanation:

If you were to draw a number line, 15 and -15 are both 15 units away from 0. So, 15 + 15 =30

Please brainlist!

5 0
2 years ago
HELP PLS BRAINLIEST IF POSSIBBLE<br> factor each polynomial completely a^2-ab-8a+8a brainly
sineoko [7]

Answer:

a(a - b)

Step-by-step explanation:

<u>given </u><u>polynomial</u>:  a²- ab - 8a + 8a

We can first simplify this answer by removing like terms,

- 8a + 8a = 0

so we have a²- ab in. the simplest form

we can take this one step further and factor out the a (not simplest form)

a time a = a²

a times b = ab

hence, a(a - b)

Learn more about Factoring here: brainly.com/question/18032923

7 0
2 years ago
HELP PLS ASAP! i uploaded a picture of the question. ;-;
stepladder [879]

Answer:

Quarter 2

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Quarter 1 had a 4.19505% increase in earnings, but quarter 2 had a 11.586% increase.

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3 years ago
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